Why does miss pross scream at the vwine shop?

Miss Pross screams at the wine shop in "A Tale of Two Cities" when she encounters Madame Defarge. In a moment of confrontation, she recognizes the danger Madame Defarge poses to Lucie and her family. Her scream symbolizes her fierce protective instinct and the escalating tension between the revolutionaries and those they threaten. This act underscores the themes of loyalty and sacrifice within the narrative.